January Challenge 2018
K-Concatenation, Rectangle, Maximum Score
February Challenge 2018
Chef And His Characters, Chef And The Patents, Permutation and Palindrome
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
April Challenge 2018 Division 2
Weight of Numbers, Workers
December Challenge 2018 Division 2
Chef and Interactive Contests, Chef and An Ideal Problem
ProCon 2018 (Rated for all)
Kill them with your success, The Great Run
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates
India